Home / 28,830.38-43,250.79-13,042.84

Finding the Fourth Proportional to 28,830.38, 43,250.79 and 13,042.84

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Solution

The fourth proportional to 28,830.38, 43,250.79 and 13,042.84 is: 19,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830.38 : 43,250.79 = 13,042.84 : x
  2. Step 2: Convert to fraction form
    28,830.38/43,250.79 = 13,042.84/x
  3. Step 3: Cross multiply
    28,830.38x = 43,250.79 × 13,042.84
  4. Step 4: Simplify right side
    28,830.38x = 564,113,155.72
  5. Step 5: Solve for x
    x = 564,113,155.72/28,830.38
  6. Step 6: Final answer
    x = 19,566.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.